JOURNAL OF ELECTROANALYTICAL CHEMISTRY
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2026
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IF 4.6
Sheng Liang,Zhihao Wang,Kunhong Hu,Lei Hu,Lili Wang,Lingli Liu,Ningning Zhou,Jiage Yu,Bin Chen,Xin Liang
Lithium‑sulfur (Li S) batteries based on lithium sulfide (Li 2 S) cathodes hold great promise for next-generation energy storage devices but suffer from critical drawbacks, including lithium polysulfides (LiPSs) shuttling, sluggish redox reaction kinetics, and severe safety hazards. Here, a multifunctional separator is designed by coating a nickel hydroxide (Ni(OH) 2 ) nanoflakes-decorated kelp-like porous carbon (Ni(OH) 2 /KLPC) composite onto a polypropylene (PP) membrane. The unique KLPC skeleton derived from mucor hyphae provides a three-dimensional conductive network, while the polar Ni(OH) 2 nanoflakes offer strong chemisorption for LiPSs and high catalytic activation for the interconversion between solid-phase (Li 2 S and S) and liquid-phase (LiPSs). Meanwhile, the Ni(OH) 2 nanoflakes endow the separator with remarkable flame retardancy through an endothermic decomposition process and the formation of highly flame-retardant products nickel oxide and water. Consequently, the Li S battery assembled with the Ni(OH) 2 @KLPC modified PP (Ni(OH) 2 /KLPC/PP) separator and a Li 2 S/multi-walled carbon nanotube cathode delivers a high initial discharge capacity of 1132 mAh g −1 , remarkable rate property of 320 mAh g −1 at 5.0 A g −1 , and stable long-term cycling over 750 cycles. This work presents a promising synergistic strategy for constructing high-performance and safe Li S batteries through multifunctional separator engineering.
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高影响因子
JOURNAL OF ELECTRONIC MATERIALS
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2026
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IF 2.8
Li Qiu,Zhang Tingting,Wang Yu,Li Xi,Nie Congcong,Lv Changpeng,Song Jingjing,Huang Qihao,Wu Fang
Ni(OH) 2 is considered as one of most promising oxygen evolution reaction (OER) catalysts owing to its low cost and earth abundance. Nevertheless, the low conductivity and poor intrinsic activity of Ni(OH) 2 seriously restricts its industrial application. Meanwhile, the relationship between the structure, OER activity of Ni(OH) 2 -based catalysts, and transition-metal dopants is still unclear. To meet above challenges, a series of Ni(OH) 2 –M (M = Fe, Al, Co, Cr) was prepared by a simple hydrothermal method. The experimental results confirmed that the incorporation of different metal elements into Ni(OH) 2 can not only alter the morphology and modulate electronic structure but also improve the intrinsic catalytic activity. Particularly, the Ni(OH) 2 –Fe exhibits the best OER activity, requiring 252 mV and 288 mV at 10 mA cm −2 and 100 mA cm −2 , with a Tafel slope of 39.1 mV dec −1 and superior stability (50 mA cm −2 for 30 h). This work provides a pathway to understand the relationship between structure, OER activity of Ni(OH) 2 -based catalysts, and incorporation of transition-metal elements, which facilitates the development of advanced OER electrocatalysts.
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Journal of Materials Chemistry A
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2026
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IF 9.2
Abdul Shiferaw Qadir,Kejian Wang,Agasthiyaraj Lakshmanan,Raza Ullah,Mohamedazeem M. Mohideen,Alamgir Alamgir,Abdurohman Mengesha Mengesha Yessuf,Yong Liu
The development of efficient and cost-effective electrocatalysts is critical for advancing durable water-splitting systems. Special attention must be given to catalyst design, functionality, and interface regulation strategy to create synergistic effects that enhance electrocatalytic performance. We present a rational design of non-precious optimized heterojunction electrocatalysts comprising face-centered cubic nickel metal, cubic Ni₃S₄, and hexagonal NiS phases, supported on a 3D cross-linked carbon nanofiber (CNF) network. Detailed characterization reveals lattice-matching heterojunctions between Ni₃S₄, NiS, and Ni, where strong C-S bonding stabilizes the heterojunction and ensures effective electronic coupling. These heterogeneous interfaces serve as highly electroactive regions, significantly enhancing charge transfer, structural stability, and reaction kinetics. The optimized Ni₃S₄/NiS/Ni@CNF composite demonstrates exceptional bifunctional performance, achieving a low hydrogen evolution reaction overpotential of 88 mV at 10 mA/cm² with a Tafel slope of 34 mV/dec and an oxygen evolution reaction overpotential of 330 mV at 10 mA/cm² with a Tafel slope of 45 mV/dec, alongside excellent durability. The superior electrocatalytic performance is attributed to synergistic interactions at the Ni₃S₄, NiS, Ni, and CNF heterointerfaces, enhanced electronic conductivity, increased catalytic site exposure, and efficient interfacial charge transfer. This work offers a new strategy for the rational design of heterojunction-based materials with superior electrochemical performance in water-splitting applications.
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高影响因子
JOURNAL OF COLLOID AND INTERFACE SCIENCE
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2026
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IF 9.6
Ran Yang,Yixian Li,Jian Pei,Huaisuo Yao,Jingyang Zhu,Xuehang Wang,Jingxue Sun,Yingxuan Li
Solar-driven photothermal conversion of dilute CO 2 into CH 4 offers a promising route toward carbon-neutral energy cycles, yet designing efficient catalysts for realistic low-concentration streams remains challenging. Herein, a yolk-shell structured nanoreactor composed of homogeneous Ni@NC units (denoted as Ni@NC-9 h) was fabricated via a time-controlled solvothermal and pyrolysis method. This unique architecture acts as a confined nanoreactor that integrates physical and chemical enrichment mechanisms: the internal cavity simultaneously enhances light harvesting and thermal localization via multiple scattering and increases local CO 2 coverage, while the homogeneously distributed nitrogen sites ensure efficient chemical trapping of dilute CO 2 . Under mild conditions (420 nm LED, 180 °C, 12.5% CO 2 , 86.9 mW·cm −2 ), the Ni@NC-9 h catalyst achieves a remarkable CH 4 production rate of 4.33 mmol·g −1 ·h −1 with 94.7% selectivity. Kinetic and in-situ DRIFTS insights uncover a photothermally reduced activation barrier that drives efficient stepwise hydrogenation through *COOH and *CO intermediates. This work provides insights into confinement-enhanced nanoreactor design and establishes a new structural paradigm for the efficient solar-driven upgrading of dilute CO 2 .
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高影响因子
SEPARATION AND PURIFICATION TECHNOLOGY
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2026
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IF 9.1
Yuyan Ye,Xiuzheng Deng,Jingshan Fan,Yani Huang,Can Cui,Changhai Liu,Qian Liang
Photocatalytic CO 2 reduction into value-added fuels is an appealing route to store solar energy while mitigating carbon emissions, yet achieving efficient and highly selective hydrocarbon formation in pure water remains challenging. Herein, we report a dopant co-engineering strategy by constructing Ni-doped Bi 2 MoO 6 with abundant oxygen vacancies (Ni x BMO-O V ). An ethylene glycol-mediated synthesis enables vacancy-rich Bi O environments and exposes abundant active sites, thereby strengthening CO 2 adsorption and accelerating interfacial charge transfer to facilitate hydrogenation toward CH 4 . Under simulated solar irradiation using pure H 2 O as the sole proton source, the optimized Ni 0.15 BMO delivers a CH 4 evolution rate of 45.0 μmol·g −1 ·h −1 with an exceptional CH 4 selectivity of 99.1%. Ni incorporation and O V modulate the local electronic structure and charge distribution, thereby affecting the adsorption and activation of CO 2 and intermediates toward the target CH 4 product. This work provides an effective synergistic strategy involving Ni incorporation and oxygen vacancies for regulating electronic structure and reaction pathways toward efficient photocatalytic CO 2 reduction.
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NEW JOURNAL OF CHEMISTRY
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2026
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IF 2.6
Junshan Ding,Chao Yang,Xinqiang Xiao,Yu Hu,Liangzhe Chen,Wentao Tang,Youbing Zhang,Jing Ding,Jun Wang,Heng Ke
Developing metal nanoparticles (NPs)/carbon composite nanomaterials as electrocatalysts for hydrogen evolution reaction (HER) via a facile and low-cost strategy has attracted widely attention over the past decade. Herein, a series of nickel nanoparticles/carbon materials (Ni/C-m) composite electrocatalyst has been successfully synthesized via a simple molten salt pyrolysis method. Characterizations demonstrated that carbon materials can effectively prevent Ni nanoparticles aggregation and adjust the electron cloud density in Ni/C-m samples. During the preparation of Ni/C-m, the carbon content can be adjusted by varying the mass of sodium citrate, an appropriate carbon content can enhances electron transfer and promotes electrocatalytic HER activity. Ni/C-m exhibits better electrocatalytic HER activity than Ni sample which prepared without carbon materials precursor. The as-prepared Ni/C-0.8 composites electrocatalyst exhibits the lowest overpotential among all Ni/C-m samples (-109 mV at -10 mA cm-2 and -397 mV at -200 mA cm-2) and long-time stability. This research presents a new method for fabricating and designing a cost-effective, high-performance HER electrocatalyst for practical water splitting applications.
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高影响因子
Journal of Energy Chemistry
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2026
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IF 15.6
Jiaxin Zhang,Na Li,Yao Liu,Rongjian Ding,Wenwen Lu,Chengwen Shang,Mengyi Pei,Riguang Zhang,Yanling Zhai,Ting Zhang
The cascade synthesis of imines from alcohols and nitroarenes via catalytic transfer hydrogenation (CTH) is a highly sustainable process. However, developing efficient non-noble metal catalysts remains a formidable challenge due to the kinetic mismatch of sequential reaction steps and sluggish active hydrogen transfer. Herein, we propose a novel spatial functional partitioning catalyst design paradigm and construct a highly efficient diatomic catalyst featuring atomically dispersed ZnN 4 and NiN 4 sites spatially bridged by nitrogen atoms. Experimental and theoretical investigations reveal a precise dual-site cooperative mechanism of the unique Zn-N-Ni constructure. Specifically, the highly electron-deficient Zn sites (+1.14 |e| vs . +0.83 |e| of Ni) preferentially activate the hydroxyl group of benzylalcohol to generate active H* due to a lower dehydrogenation energy barrier (89.6 kJ mol −1 vs. 111.6 kJ mol −1 for Ni). Concurrently, the Ni sites, featuring a higher d -band center (–1.47 eV vs. –5.50 eV for Zn), facilitate nitrobenzene hydrogenation with a significantly lower barrier (73.7 kJ mol −1 ), while the bridging N serves as an H* adsorption site. Consequently, this synergistic configuration integrates single-atom efficiency with dual-site cooperation, achieving 96% nitrobenzene conversion and 90% imine selectivity. This work not only elucidates the atomic-level hydrogen transfer mechanism in cascade reactions but also establishes a rational design principle for complex tandem catalytic systems. Atomically dispersed ZnN 4 and NiN 4 sites linked by bridging N enable cooperative catalysis where Zn dehydrogenates alcohols and Ni extracts H from adjacent N-H for nitroarene hydrogenation toward imines. Download: Download high-res image (64KB) Download: Download full-size image
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高影响因子
APPLIED SURFACE SCIENCE
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2026
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IF 6.6
Dianwei Liu,Pengfei Yan,Wei Liu,Qun Xu,Buxing Han
Developing high-efficiency electromagnetic wave (EMW) absorbers for the low frequency (1–8 GHz) remains a formidable challenge, primarily due to the inherent conflict between thickness reduction and impedance matching at longer wavelengths. Herein, we propose a supercritical CO 2 (SC CO 2 ) fluid-assisted interfacial engineering strategy to construct a hierarchical “core-shell-satellite” carbon nanotube/polyaniline/nickel (CNT/PANI/Ni) ternary composite. Unlike conventional liquid-phase methods that suffer from phase agglomeration, the gas-like diffusivity and negligible surface tension of SC CO 2 facilitate the uniform encapsulation of PANI on CNTs and the atomic-scale anchoring of Ni nanoparticles via robust Ni-N coordination bonds. This unique architecture effectively moderates the conductivity of the CNT network to optimize impedance matching, while the abundant heterogeneous interfaces (CNT/PANI and PANI/Ni) induce significant Maxwell-Wagner-Sillars (MWS) polarization and dipole relaxation losses. Consequently, the optimized CNT/PANI/Ni composite exhibits exceptional low-frequency absorption performance, achieving a minimum reflection loss (RL min ) of −57.11 dB at 6.47 GHz with a matching thickness of only 3.5 mm, overcoming the “thickness bottleneck” of low-frequency absorbers. This work not only provides a scalable route for fabricating heterogeneous composites but also unravels the mechanism of SC CO 2 -induced interfacial synergy, offering a robust solution for anti-interference in 5G and satellite communications.
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高影响因子
JOURNAL OF RARE EARTHS
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2026
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IF 9.6
Jiashuo Lv,Liming Xu,Fan Zhang,Danqin Li,Jie Li,Yufei Hu,Wenjing Zhou,Meisi Yu,Furui Lin,Jian Hou,Weiqiang Zhou
Nickel-based catalysts are attractive for methanol oxidation owing to their structural tunability and intrinsic activity for C–H bond activation. However, their limited ability to capture OH – at the reaction interface results in reduced energy-conversion efficiency. In this work, we demonstrate that La-Ni(OH) 2 /graphene oxide (GO) delivers a multilevel synergistic optimization that markedly enhances photoelectrochemical methanol oxidation. The random doping of La disturbs the periodicity of Ni–O lattice, which promotes surface reconstruction and the enrichment of OH – at the electrified interface. Notably, La doping-induced oxygen vacancies act as charge-trapping sites, promoting the separation of photogenerated electron-hole pairs. More photogenerated holes can reach the reaction interface and participate in oxidation, synergistically enhancing the photoelectrocatalytic efficiency. By optimizing the interfacial microenvironment, the La-Ni(OH) 2 /GO catalyst achieves a current density of 179.8 mA/cm 2 in alkaline medium and increases to 222.6 mA/cm 2 under illumination.
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高影响因子
Journal of Energy Chemistry
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2026
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IF 15.6
Shi-Min Li,Gui-ming Wu,Jun-Fei Shen,Lin-Zhi Chen,Na Tian,Chang Wang,Hai-Wei Liang,Zhi-You Zhou,Shi-Gang Sun
The construction of ordered Pt-based intermetallic compounds (IMCs) has emerged as an effective approach to improve the activity and durability of catalysts for the oxygen reduction reaction. However, the synthesis, especially for Pt-Ni IMCs, is often hindered by their low disorder-order phase transformation temperatures ( T PT ). Here, we report a general synthetic strategy by introducing transition metals (M = Ti, V, Cr, Mn, and Fe) capable of forming high- T PT (≥1000 °C) PtM IMCs, which can effectively elevate the T PT of Pt 3 Ni and PtNi alloys and promote their ordering degree. In situ high-temperature X-ray diffraction (HT-XRD) results confirm that Ti doping greatly increases the T PT of Pt 3 Ni from 490 to over 800 °C, enabling the formation of the ordered IMCs. The optimized Pt 3 Ni 0.7 Ti 0.3 catalyst achieves mass activity and specific activity of 1.35 A mg Pt −1 and 1.78 mA cm −2 , respectively, higher than those of Pt/C and Pt 3 Ni, while holding high stability. This work establishes a broadly applicable strategy for the synthesis of Pt-based IMCs, offering a pathway to durable, high-performance fuel-cell catalysts.
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ANALYTICAL AND BIOANALYTICAL CHEMISTRY
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2026
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IF 4.1
Gao Haonan,Wen Mingzhen,Li Jiali,Hou Shili,Li Lifen,Liu Guangyan
This work develops an in situ electrodeposition strategy to construct a honeycomb-like Ni/Co-MOF/MXene heterojunction directly on the glassy carbon electrode (GCE) surface at −1.3 V vs. Ag/AgCl, enabling ultrasensitive enzymatic electrochemical detection of trace urea. The high catalytic activity of Ni/Co-MOF and the superior conductivity of MXene were synergistically integrated in a 3D hierarchical heterostructure. Compared with traditional modification methods, this strategy significantly enhances the kinetics of electron transfer and the stability of urease immobilization. Characterized by scanning electron microscopy (SEM) and electrochemical impedance spectroscopy (EIS), the heterojunction exhibits unique morphology and outstanding electroconductivity. Furthermore, the resulting Ni/Co-MOF/MXene/urease/GCE biosensor achieves a wide linear range of 1.0 × 10 –6 –1.0 × 10 –4 mol L −1 with a low detection limit of 4.9 × 10 –7 mol L −1 . The biosensor has been applied to the detection of practical samples, where the recoveries were 99.3–102.8% with a relative standard deviation (RSD) of 2.9–3.3%, which indicates that this biosensor has good practical applications and prospects for further development.
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PubMed
高影响因子
JOURNAL OF CATALYSIS
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2026
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IF 6
Anqiu Liu,Zhihua Zhu,Siwei Xu,Peng Zhou,Zehui Zhang
Great efforts have been devoted to designing novel catalysts for the chemo-selective hydrogenation of nitroarenes into amines. Herein, we reported that the interfacial structure between defective V 2 O 3 and metallic Ni nanoparticles was crucial in the chemo-selective hydrogenation of 4-nitrostyrene and other functional nitroarenes under mild conditions (80 °C, 1.5 MPa H 2 ), affording the corresponding amines with excellent yields. Generally, the defective sites in metal oxides of metal oxide/metal nanoparticle interface were responsible for the chemo-selective hydrogenation of nitroarenes via the selective adsorption of the nitro group. However, our mechanistic study revealed that the oxygen-defective Ni-V 2 O 3 interface was the active site, and nitroarenes preferred to adsorb on Ni. Theoretical calculation results revealed that defective sites in V 2 O 3 effectively turned the electron density of metallic Ni to chemo-selective adsorption of the nitro group by reducing electron transfer from metallic Ni to defective V 2 O 3 . In this case, defective sites in V 2 O 3 also boost the electron transfer from metallic Ni to nitro group, significantly lowering the energy barrier for the hydrogenation of nitro group. This work provides a novel method for the non-noble metal catalyzed chemo-selective hydrogenation of nitroarenes by finely tuning the electron effects of metallic sites the interfacial defective metal oxides sites.
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高影响因子
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